ADA4857-1/ADA4857-2

Rev. 0 | Page 12 of 20

TIME (10ns/DIV)

0.25

–0.25

–0.20

0.20

–0.15

0.15

–0.10

0.10

–0.05

0

0.05

G = +1

Figure 26. Small Signal Transient Response for Various Capacitive Loads (LFCSP)

TIME (10ns/DIV)

0.25

–0.25

–0.20

0.20

–0.15

0.15

–0.10

0.10

–0.05

0

0.05

G = +1

Figure 27. Small Signal Transient Response for Various Supply Voltages (LFCSP)

0.1

1

10

100

1000

1000

0.1

1

10

100

FREQUENCY (MHz)

G = +2

G = +5

Figure 28. Output Impedance vs. Frequency for Various Gains

TIME (10ns/DIV)

2.0

–2.0

–1.6

1.6

–1.2

1.2

–0.8

0.8

–0.4

0

0.4

G = +2

Figure 29. Large Signal Transient Response for Various Load Resistances (SOIC)

TIME (10ns/DIV)

2.0

–2.0

–1.6

1.6

–1.2

1.2

–0.8

0.8

–0.4

0

0.4

G = +1

Figure 30. Large Signal Transient Response for Various Load Resistances (LFCSP)

1

10

100

1000

FREQUENCY (MHz)

G = +2

0.01

0.1

1

10

100

Figure 31. Closed-Loop Input Impedance vs. Frequency